ADDITIONAL QUESTIONS AND ANSWERS:
1) Match the items in column I with those in column II
| Column I | Column II |
| 1) A three sided polygon | a) diameter |
| 2) The distance around a circle | b) chord |
| 3) Line segment passing through the centre of a circle | c) angle |
| 4) Every circle has a point at the | d) circumference |
| 5) Two rays starting from a common end points | e) triangle |
| f) centre |
Ans: 1) e 2) d 3) a 4) f 5) c
2) State whether true or false: If false, correct the statement.
a) A line segment is a part of plane
b) Two lines in a plane always intersect each other in a point
c) Diameter of the circle divides it into two semi circles
d) Every chord of a circle passes through the centre
e) A point indicates a definite position.
f) A line consist of finite number of points
Ans:
a) False: A line segment is a part of a line that has two end points
b) True
c) True
d) False: Diameter is the only chord that passes through the centre
e) True
f) False: A line consists of infinite number of points
3) Find the measure of the angel between hour and minute hands of a clock at 3’clock
Ans: The angle measure is 90
4) Answer the following questions based on the figure:
Ans:
Write points which are:
a) in the minor arc AXB b) in the minor segment AXB
c) in the major arc ARB d) major sector ARB
e) minor sector AXB
Ans: a) Y, D b) D c) S, N, O d) S, N, O e) Y, D
5) Illustrate each of the following if possible with a rough diagram
a) A closed curve that is not a polygon
b) An open curve made up entirely of line segments
c) A polygon with two sides
Ans:
a)
b)
c) Not possible
6) From the below given figure identify:
a) segment b) diameter c) arc d) two radii e) centre of the circle
f) a chord g) points in the exterior h) points in the exterior
Ans: a) ST b) MN c) SIT d) OA, OB e) O f) ST g) X, P h) K, Q, O
7) From the figure of quadrilateral RICE identify the following and state:
a) opposite sides b) adjacent sides c) diagonals
d) 2 pairs of adjacent angles e) 2 pairs of opposite angles
Ans: a) RI, EC and RE, IC
b) RI, RE; RI, IC; IC, CE; CE, ER
c) RC and IE
d) ∠ECR, ∠ICR and ∠ERC, ∠IRC
8) Classify the following as
a) Closed curve b) Open curves
a) 
b) 
c)
d) 
e) 
d)
e) 
a) c, e, g b) b, a, d, f
9) In the given diagram
i) Name point(s)
a) in the exterior of ∠HOD
b) in the interior of ∠FOD
c) on ∠FOD
ii) name three angles
iii) name two adjacent angles
i) a) X, P b) J, T, G c) F, R, O, S, Q, D
ii) ∠HOF, ∠FOG, ∠GOD
iii) ∠FOG, ∠GOD or ∠HOF, ∠FOG
10) Draw a rough diagram of an angle name it and mark
a) 2 points in the exterior
b) 3 points in the interior
c) 2 points on the angle
Ans:
